Bontrager Rotary Head Seatpost Parts Kit 7mm x 7mm

Don't replace the whole seatpost — just refresh the parts that wear. The Bontrager Rotary Head Seatpost Parts Kit 7x7mm is the genuine OEM solution for riders looking to restore their single-bolt rotary seatpost to full working order. Whether your saddle has developed unwanted movement, the clamp hardware has worn down, or you simply want to keep a spare kit in your workshop, this is the correct replacement for your Bontrager post.

The kit includes everything needed for a complete head service: 7mm round seatpost ears, inner cones, bolt, and spring — all designed to the original factory specification for a precise, rattle-free fit. Compatible with 2010 and newer Bontrager single-bolt rotary seatposts and seatmast caps.

Please note: this kit is not compatible with 2008 or 2009 Madone seat caps.

Key Features:
- Genuine Bontrager OEM replacement parts kit
- Includes 7mm round ears, inner cones, bolt & spring
- Restores correct saddle clamping and eliminates play
- Compatible with 2010+ Bontrager single-bolt rotary seatposts and seatmast caps
- Not compatible with 2008–2009 Madone seat caps
- Approx. weight: 54g